Trail Running calendar near Brentwood 2026-2027

Three community races at Harcourt Hill, Oxford on 26 Sep 2026 with 10 km, 3 km and 1 km options. The 10 km is mostly off road and includes a section of the Oxford Greenbelt Way; medals and prizes are provided.

An autumn running event at Foxes Farm, Colchester on 27 September 2026 offering 10K, 5K and a 1K family dash over traffic-free farm tracks and past pumpkin fields, with chip timing, medals and an event village.

Trail running at Billingford Lakes on 27 Sept 2026 using a 5.3 km out-and-back loop on mixed surfaces. Parking and a base-camp aid station are provided; the event is cupless and all finishers receive a bespoke medal.

A community charity event on Sunday 27 September 2026 near Grantchester offering chip-timed 10k and 3k courses through farmland, medals for all finishers, trophies, and fundraising for Maggie’s and Addenbrooke’s Charitable Trust.

A 10 mile trail race at Eridge Park on 27 September 2026 featuring steep climbs, muddy sections, GPX route maps, a finisher memento and a free pint and cake at the finish.

A community running event in Manuden on 27 September 2026 with 10k, 5k and 1k races, on-road starts then off-road bridleways, water stations and medals for finishers. Funds raised support Sands, St Clare Hospice and village organisations.

A functional fitness race on 27 September 2026 in London featuring ten Xercises and repeated runs, with Solo, Doubles and Relay formats, standard and LITE weight divisions, and published entry fees for each format.

A multi terrain trail run along the Thames near Marlow offering a Half Marathon, 10k and a 1k Little Sprinters race. The event features chip timing, a finisher medal, on route water stations and an event village with facilities.

Wye Not Wander offers routes of 27, 20 and 15 miles around Wye in the Stour Valley, with countryside views including the chalk Wye Crown. Checkpoints provide food and drink and route descriptions and GPS files are supplied.

A 5 km handicap trail run around Firle on 27 September 2026 with a fully marked course, prizes, and tea and cake at the village hall; entry is limited to 50 runners.

A timed lap based run at Buchan Country Park in Crawley on 27 September 2026 with distances from 5 km up to ultra and flexible start options. Entry choices include a medal or a lower cost no medal option.

Point to point runs from Central Park, Dartford along the River Darent with 5K, 10K and 18K options plus a finisher medal and post race refreshments.

A seven hour Time Challenge along the River Thames where runners choose distances from 3 km to 50 km, with medals, distance pins and a goody bag.

A timed track event in Walton on Thames on 2 October 2026 offering 6, 12 and 24 hour formats with chip timing, 400 m laps and distance options from 5 km up to 100 mile equivalents. The track is limited to 100 runners at once.

A single-loop 100 mile trail from Plumpton Racecourse in the South Downs National Park, featuring over 12,000 ft of elevation, 12 aid stations, a 34 hour cutoff and free onsite camping. The race forms part of the South Downs Triple Crown.

Guided 30 mile trail run from St Martha's Hill, Guildford covering Box Hill and North Downs Way sections with group pacing and coach support.

A 50 km ultramarathon through Epping Forest in London, organised by Camino Ultra and scheduled for 3 October 2026 as part of their 2026 race programme.

London EcoTrail 25 km is a trail running event in Bell Common, Epping on 03 Oct 2026. It is organised by London based ultramarathon event company Camino Ultra as part of their 2026 events.

A 50 km night loop across the South Downs starting and finishing at Plumpton Racecourse. The course is fully marked with four aid stations, mandatory GPS tracking and chip timing, and awards two ITRA points.

Trail races from 5 km to 51 km starting at Queen Elizabeth Country Park on the South Downs, with marked courses, fuel outposts and mandatory kit for the longer routes.